Yasser A Noureldin1,2, Nader Fahmy1, Maurice Anidjar1, Sero Andonian3. 1. Division of Urology, McGill University Health Center, McGill University, 1001 Boul Decarie, Suite D05.5331, Montreal, QC, H4A 3J1, Canada. 2. Department of Urology, Benha University Hospital, Benha University, Benha, Egypt. 3. Division of Urology, McGill University Health Center, McGill University, 1001 Boul Decarie, Suite D05.5331, Montreal, QC, H4A 3J1, Canada. Sero.Andonian@muhc.mcgill.ca.
Abstract
OBJECTIVE: To assess competency of urology post-graduate trainees (PGTs) in percutaneous renal access (PCA). METHODS: Upon obtaining ethics approval and informed consents, PGTs between post-graduate years (PGY-3 to PGY-5) from all four urology programs in Québec were recruited. PCA competency of each participant was assessed objectively by performing task 4 on the PERC Mentor™ simulator, where they had to correctly access and pop 7 balloons in 7 different renal calyces and subjectively by the validated Percutaneous Nephrolithotomy-Global Rating Scale (PCNL-GRS). RESULTS: A total of 26 PGTs with a mean age of 29.2 ± 0.7 years participated in this study. When compared with the 21 PGTs without practice, all 5 PGTs who had practiced on the simulator were competent (p = 0.03), performed the task with significantly shorter operative time (13.9 ± 0.7 vs. 4.4 ± 0.4 min; p < 0.001) and fluoroscopy time (9.3 ± 0.6 vs. 3.4 ± 0.4 min; p < 0.001), and had significantly higher PCNL-GRS scores (13 ± 0.6 vs. 20.6 ± 1; p < 0.001) and successful attempts to access renal calyces (23 ± 5 vs. 68.7 ± 11; p = 0.001). According to a pass score of 13/25, thirteen PGTs were competent. Competent PGTs performed the task with significantly shorter fluoroscopy time (9.8 vs. 6.5 min; p = 0.01) and higher percentage of successful attempts to access renal calyces (p < 0.001), higher PCNL-GRS scores (p < 0.001), and lower complications (p = 0.01). CONCLUSION: The PCNL-GRS in combination with the PERC Mentor™ simulator was able to differentiate between competent and non-competent PGTs.
OBJECTIVE: To assess competency of urology post-graduate trainees (PGTs) in percutaneous renal access (PCA). METHODS: Upon obtaining ethics approval and informed consents, PGTs between post-graduate years (PGY-3 to PGY-5) from all four urology programs in Québec were recruited. PCA competency of each participant was assessed objectively by performing task 4 on the PERC Mentor™ simulator, where they had to correctly access and pop 7 balloons in 7 different renal calyces and subjectively by the validated Percutaneous Nephrolithotomy-Global Rating Scale (PCNL-GRS). RESULTS: A total of 26 PGTs with a mean age of 29.2 ± 0.7 years participated in this study. When compared with the 21 PGTs without practice, all 5 PGTs who had practiced on the simulator were competent (p = 0.03), performed the task with significantly shorter operative time (13.9 ± 0.7 vs. 4.4 ± 0.4 min; p < 0.001) and fluoroscopy time (9.3 ± 0.6 vs. 3.4 ± 0.4 min; p < 0.001), and had significantly higher PCNL-GRS scores (13 ± 0.6 vs. 20.6 ± 1; p < 0.001) and successful attempts to access renal calyces (23 ± 5 vs. 68.7 ± 11; p = 0.001). According to a pass score of 13/25, thirteen PGTs were competent. Competent PGTs performed the task with significantly shorter fluoroscopy time (9.8 vs. 6.5 min; p = 0.01) and higher percentage of successful attempts to access renal calyces (p < 0.001), higher PCNL-GRS scores (p < 0.001), and lower complications (p = 0.01). CONCLUSION: The PCNL-GRS in combination with the PERC Mentor™ simulator was able to differentiate between competent and non-competent PGTs.
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